Planning for the weather is a good way to make your trip to Pereira relaxing and enjoyable, especially when you’re splurging. The hottest months are usually September and February with an average temp of 62°F, while the coldest months are August and July with an average of 62°F. The rainiest months in Pereira are July, June, August, and May, with each month seeing an average of 61 inches of rainfall.